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IL494D PDF预览

IL494D

更新时间: 2024-09-14 22:48:11
品牌 Logo 应用领域
INTEGRAL 光电二极管
页数 文件大小 规格书
4页 172K
描述
PWM Control Circuit

IL494D 数据手册

 浏览型号IL494D的Datasheet PDF文件第2页浏览型号IL494D的Datasheet PDF文件第3页浏览型号IL494D的Datasheet PDF文件第4页 
TECHNICAL DATA  
IL494  
PWM Control Circuit  
The IL494 incorporates on a single monolithic chip all the  
functions required in the construction of a pulse-width-modulation  
control circuit. Designed primarily for power supply control, the IL494  
contains an on-chip 5-volt regulator, two error amplifiers, adjustable  
oscillator, dead-time control comparator, pulse-steering flip-flop, and  
output-control circuitry. The uncommitted output transistors provide  
either common-emitter or emitter-follower output capability. Push-pull  
or single-ended output operation may be selected through the output-  
control function. The architecture of the IL494 prohibits the possibility  
of either output being pulsed twice during push-pull operation.  
ORDERING INFORMATION  
IL494N Plastic  
Complete PWM Power Control Circuitry  
IL494D SOIC  
TA = -20°C to 85° C  
for all packages  
Uncommitted Outputs for 200 mA Sink or Source  
Output Control Selects Single-Ended or Push-Pull Operation  
Internal Circuitry Prohibits Double Pulse at Either Output  
Internal Regulator Provides a Stable 5 V Reference Supply  
Variable Dead-Time Provides Control Over Total Range  
PIN ASSIGNMENT  
FUNCTION TABLE  
Output Control  
Grounded  
Output Function  
Single-ended or Parallel Output  
Normal Push-Pull Operation  
At Vref  
LOGIC DIAGRAM  
1

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